Final answer:
a) Integrity. Integrity is the Army value that is exemplified by standing up for and acting upon things that are honorable.
Step-by-step explanation:
The Army value that is exemplified by standing up for and acting upon things that are honorable is Integrity. Integrity is the quality of being honest and having strong moral principles. When someone stands up for what they know is right and acts in an honorable way, they are showing a commitment to integrity.